Global Initiative for Chronic Obstructive Lung Disease 2011 Symptom/Risk Assessment in α1-Antitrypsin Deficiency

In patients with AATD, using either the mMRC scale 0 to 1 or CAT 10 scores to determine symptoms results in a significant difference in patient distribution. However, CAT 13 as the threshold for assessing symptoms results in a similar proportion of patients being categorized into the risk categories.